Release: Python package #24

	# Stage Python source distribution and wheel packages through GitHub Actions (GHA) to Python Package Index (PyPI).
	name: "Release: Python package"

	on:

	# Build and publish packages when running a release.
	push:
	tags:
	- '*'

	# Build packages on each pull request for validation purposes.
	pull_request:

	# Build packages each night for validation purposes.
	schedule:
	- cron: '0 4 * * *'

	# Allow the job to be triggered manually.
	workflow_dispatch:

	jobs:
	build-and-publish:
	name: "Build and publish to PyPI"
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest"]
	python-version: ["3.13"]
	env:
	OS_TYPE: ${{ matrix.os }}
	PYTHON_VERSION: ${{ matrix.python-version }}
	UV_SYSTEM_PYTHON: 1

	# Trusted publishing.
	# Specifying a GitHub environment is optional, but strongly encouraged
	environment: pypi
	permissions:
	# IMPORTANT: this permission is mandatory for Trusted Publishing
	id-token: write

	steps:
	- name: Acquire sources
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Set up uv
	uses: astral-sh/setup-uv@v6

	- name: Build package
	run: \|
	uv pip install build
	python -m build

	- name: Publish package to PyPI
	if: startsWith(github.event.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1

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